The WRCT16-873-875-885-887-50 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 875 to 885 MHz, Bandwidth 10 MHz, Insertion Loss 1 dB, Rejection 50 dB, Return Loss 14 dB. Tags: Module with Connectors, Cavity Filter, Notch Filter. More details for WRCT16-873-875-885-887-50 can be seen below.